Add failing test case to show that getMulti fails to ever terminate w…

…hen only a single value is present for a key

src/test/java/com/g414/hash/file2/TestHashFile2EdgeCases.java

@@ -0,0 +1,34 @@
+package com.g414.hash.file2;
+
+import java.io.File;
+import java.util.Iterator;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+import com.g414.hash.impl.MurmurHash;
+
+@Test
+public class TestHashFile2EdgeCases {
+    MurmurHash hash = new MurmurHash();
+
+    public void testSingleEntryMultiGet() throws Exception {
+        File tmp = File.createTempFile("hhhhhh", "ff");
+        tmp.deleteOnExit();
+
+        HashFile2Builder hashWrite = new HashFile2Builder(tmp.getAbsolutePath(), 1000);
+
+        byte[] key = new byte[] { 1, 2, 3, 4, 5 };
+        byte[] value = new byte[] { 5, 4, 3, 2, 1 };
+        hashWrite.add(key, value);
+
+        hashWrite.finish();
+
+        HashFile2 file = new HashFile2(tmp.getAbsolutePath());
+
+        Iterator<byte[]> iter = file.getMulti(key).iterator();
+
+        Assert.assertTrue(iter.hasNext());
+        Assert.assertEquals(iter.next(), value);
+        Assert.assertFalse(iter.hasNext());
+    }
+}